About the BIRT Viewer servlet
Java servlets extend web server functionality. The BIRT Viewer is a Java servlet that manages binary content and performs tasks such as uploading and downloading binary files.
You invoke the BIRT Viewer servlet using the following syntax:
http://<application server>:<port>/<context root>/iv
where
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iv is the name to which the servlet is mapped in the web application’s web.xml file. A typical location for web.xml is <context root>\WEB-INF\web.xml.
Servlet names are case-sensitive. Do not modify the servlets, their names, or their mapping in web.xml.

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